(2003). Precaution, envirnmental science, and preventive public policy. Washington: Island Press.
Chicago Style aipamenaPrecaution, Envirnmental Science, and Preventive Public Policy. Washington: Island Press, 2003.
MLA aipamenaPrecaution, Envirnmental Science, and Preventive Public Policy. Washington: Island Press, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.